[tex4ht-commits] [SCM] tex4ht updated: r1183 - trunk/lit

[Michal Hoftich]

Author: michal_h21
Date: 2022-08-17 10:03:42 +0000 (Wed, 17 Aug 2022)
New Revision: 1183

Modified:
   trunk/lit/ChangeLog
   trunk/lit/tex4ht-mathml.tex
Log:
fixed \mathop inside amsmath equations

Modified: trunk/lit/ChangeLog
===================================================================
--- trunk/lit/ChangeLog	2022-08-11 19:21:27 UTC (rev 1182)
+++ trunk/lit/ChangeLog	2022-08-17 10:03:42 UTC (rev 1183)
@@ -1,3 +1,9 @@
+2022-08-17  Michal Hoftich  <michal.h21 at gmail.com>
+
+	* tex4ht-mathml.tex (html-mml.4ht): test argument of \mathopen in
+	Amsmath equation.
+	https://tex.stackexchange.com/q/654236/2891
+
 2022-08-11  Michal Hoftich  <michal.h21 at gmail.com>
 
 	* tex4ht-html5.tex (html5.4ht): fixed support for the figure*

Modified: trunk/lit/tex4ht-mathml.tex
===================================================================
--- trunk/lit/tex4ht-mathml.tex	2022-08-11 19:21:27 UTC (rev 1182)
+++ trunk/lit/tex4ht-mathml.tex	2022-08-17 10:03:42 UTC (rev 1183)
@@ -102,6 +102,7 @@
 
 
 \<amsmath html-mml pre 2000\><<<
+% pre 2000
 \Configure{equation}
   {\ifvmode \IgnorePar\fi \EndP
    \HCode{<table class="equation"><tr><td>}%
@@ -123,6 +124,7 @@
 
 
 \<amsmath html-mml jan 2000\><<<
+% jan 2000
 \Configure{equation}
   {\ifvmode \IgnorePar\fi \EndP
    \HCode{<table class="equation"><tr><td>}%
@@ -148,11 +150,14 @@
 
 
 \<amsmath html-mml july 2000\><<<
+% and here it should be
+|<alt mathopen for eq|>
 \Configure{equation}
   {\ifvmode \IgnorePar\fi\EndP
    \HCode{<table class="equation"><tr><td>}%
    |<amsmath equation july 2000|>%
    |<math display in equation|>%
+   |<mathopen in equation|>
   }
   {\ifvmode \IgnorePar\fi\EndP
    \HCode{</td><td class="eq-no">}%
@@ -176,16 +181,28 @@
    
 
 
+
 \<amsmath equation jan 2000\><<<
 |<amsmath equation july 2000|>%
 >>>
 
+Current AMSMath uses empty mathopen at the beginning of an equation, 
+which results in missing markup for subsequent numbers and characters.
 
+We check for empty parameter, and don't execute configurations when it is empty.
 
+\<alt mathopen for eq\><<<
+\def\eq:mathopen#1{\ifx\relax#1\relax\else\a:mathopen\fi\o:mathopen:{#1}}
+>>>
 
+\<mathopen in equation\><<<
+\let\mathopen\eq:mathopen%
+>>>
 
 
 
+
+
 \<amsmath equation july 2000\><<<
 \Configure{gather}
      {\HCode{<\a:mathml mtable\Hnewline